Tag: plomo

Why Do Planes Still Use Lead In Fuel 30 Years After Cars Stopped?

Enviado por Fabio
It\'s a story about chemistry, engineering and regulation - many small aircraft owe their heritage to World War II and were designed for high octane fuels which require lead. Why has it taken so long...

03/01/25 | hace 126 días | www.youtube.com

Altos niveles de plomo en el agua de Chicago

Enviado por Fabio
Revealed: the ‘shocking’ levels of toxic lead in Chicago tap water. Tests performed for thousands of Chicago residents found lead, a neurotoxic metal, in amounts far exceeding the federal...

28/09/22 | hace 953 días | www.theguardian.com